For RF900, 600 and 400 Owners (and any Biker who wants to join us)
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Author Message
 Post subject: RF400 Model History
PostPosted: Thu Dec 18, 2014 11:07 am 
User avatar

Joined: Mon Apr 27, 2009 2:36 pm
Posts: 9300
Location: South Gloucestershire (5m to Bristol & 13m to Bath)
The RF400R was introduced in 199? Suzuki's internal term is GK78A. This one is the baby of the RF family and is especially designed for Japan. Serial numbers are not known at this time

RF400RV (GK78A)

Engine Type - 4 stroke, 4 cylinder,
DOHC - 16-valves, variable valve control VC
TSCC - water cooled
Displacement - 398 cc
Bore & Stroke - 40.4 mm x 56 mm
Compression Ratio - 11.8 : 1
Carburetor - BST32
Maximum Power - 53 hp (39 kW) / 11000 rpm
Maximum Torque - 37Nm (3.8 kgm) / 9500 rpm
Maximum Speed - about 200 km/h
Lubrication - Wet Sump
Ignition - Digital/Transistorized
Starter - Electric
Transmission - 6-speed constant mesh
1 - 3.363
2 - 2.307
3 - 1.750
4 - 1.437
5 - 1.250
6 - 1.136
Final Drive
Secondary transmission ratio
Overall L x W x H (mm) - 2115 x 700 x 1180
Overall L x W x H (in) - 83.9 x 28.7 x 45.9
Seat Height mm (in) - 775
Wheelbase mm (in) - 1430 (56.3)
Ground Clearance - mm 115
Dry Weight kg - 186
Front Suspension - Telescopic, cartridge type,coil spring, oil damped, adjustable spring preload and rebound damping force
Rear Suspension - Link type, 7-way adjustable spring preload, rebound damping force, 4-way adjustable
Front Brakes - 2 discs with floating rotors and staggered diameter 4-piston calipers, hydraulically operated
Rear Brakes - 1 disc and 2-piston caliper, hydraulically operated
Front Tires - 120/70ZR17 58 on 3-spoke cast aluminum wheels
Rear Tires - 160/60-ZR17 69 on 3-spoke cast aluminum wheels
Fuel Tank Capacity - 17 L
Oil Capacity - 3.7 L
Cooling Water Capacity
Exhaust System - 4 into 1 with lightweight aluminum muffler


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